#include <bits/stdc++.h>
using namespace std;
const long long MOD = 998244353;
int main(){
  int N;
  cin >> N;
  vector<int> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  sort(A.begin(), A.end());
  int S = 0;
  for (int i = 0; i < N - 1; i++){
    if (A[i] != A[i + 1]){
      S |= 1 << (31 - __builtin_clz(A[i] ^ A[i + 1]));
    }
  }
  cout << (1 << __builtin_popcount(S)) % MOD << endl;
}